/*
 * Copyright (C) 2009,2010 University of Paderborn, Computer Networks Group
 * Copyright (C) 2009,2010 Christian Dannewitz <christian.dannewitz@upb.de>
 * Copyright (C) 2009,2010 Thorsten Biermann <thorsten.biermann@upb.de>
 * 
 * Copyright (C) 2009,2010 Eduard Bauer <edebauer@mail.upb.de>
 * Copyright (C) 2009,2010 Matthias Becker <matzeb@mail.upb.de>
 * Copyright (C) 2009,2010 Frederic Beister <azamir@zitmail.uni-paderborn.de>
 * Copyright (C) 2009,2010 Nadine Dertmann <ndertmann@gmx.de>
 * Copyright (C) 2009,2010 Michael Kionka <mkionka@mail.upb.de>
 * Copyright (C) 2009,2010 Mario Mohr <mmohr@mail.upb.de>
 * Copyright (C) 2009,2010 Felix Steffen <felix.steffen@gmx.de>
 * Copyright (C) 2009,2010 Sebastian Stey <sebstey@mail.upb.de>
 * Copyright (C) 2009,2010 Steffen Weber <stwe@mail.upb.de>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the University of Paderborn nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package netinf.common.utils;

import java.util.Properties;
import java.util.Random;

import netinf.common.communication.NetInfNodeConnection;
import netinf.common.communication.RemoteNodeConnection;
import netinf.common.datamodel.DatamodelFactory;
import netinf.common.datamodel.attribute.Attribute;
import netinf.common.datamodel.impl.module.DatamodelImplModule;
import netinf.common.log.module.LogModule;
import netinf.common.security.impl.module.SecurityModule;

import org.apache.commons.lang.RandomStringUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.name.Names;

/**
 * The Class UtilsTest.
 * 
 * @author PG Augnet 2, University of Paderborn
 */
public class UtilsTest {
   public static final String NETINFNODE_PROPERTIES = "../configs/netinfnode_testing.properties";
   private DatamodelFactory factory;

   @Before
   public void setUp() throws Exception {
      final Properties properties = Utils.loadProperties(NETINFNODE_PROPERTIES);
      Guice.createInjector(new LogModule(properties));
      Injector createInjector = Guice.createInjector(new SecurityModule(), new DatamodelImplModule(), new AbstractModule() {

         @Override
         protected void configure() {
            Names.bindProperties(binder(), properties);
            bind(NetInfNodeConnection.class).annotatedWith(SecurityModule.Security.class).to(RemoteNodeConnection.class);
         }
      });
      factory = createInjector.getInstance(DatamodelFactory.class);
   }

   @Test
   public void testByteString() {
      byte[] bytes = new byte[50];
      new Random().nextBytes(bytes);
      String bytesToString = Utils.bytesToString(bytes);
      byte[] bytesToStringToBytes = Utils.stringToBytes(bytesToString);
      String bytesToStringToBytesToString = Utils.bytesToString(bytesToStringToBytes);
      Assert.assertArrayEquals(bytes, bytesToStringToBytes);
      Assert.assertEquals(bytesToString, bytesToStringToBytesToString);
   }

   @Test
   public void testPropertySerialisation() {
      Attribute property = createTestProperty();

      Attribute deserialisedProperty = ((Attribute) Utils.unserializeJavaObject(Utils.stringToBytes(Utils.bytesToString(property
            .serializeToBytes()))));
      Assert.assertEquals(property.getIdentification(), deserialisedProperty.getIdentification());
      Assert.assertEquals(property.getValueRaw(), deserialisedProperty.getValueRaw());
   }

   @After
   public void tearDown() throws Exception {
   }

   private Attribute createTestProperty() {
      String name = "Test-Property";
      String content = RandomStringUtils.random(500);

      Attribute property = factory.createAttribute(name, content);

      return property;
   }
}
